A model for the vertical distribution of stars in disk galaxies

Details A model for the vertical distribution of stars in disk galaxies A model for the vertical distribution of stars in disk galaxies

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...411..632d&link_type=abstract

Astrophysical Journal - Part 1 (ISSN 0004-637X), vol. 411, no. 2, p. 632-639.

Astronomy and Astrophysics

Astrophysics

12

Astronomical Models, Celestial Mechanics, Disk Galaxies, Galactic Structure, Star Formation, Dark Matter, Milky Way Galaxy, Spiral Galaxies, Vertical Distribution

Scientific paper

A self-consistent solution of the Poisson and collisionless Boltzmann's equations is used to investigate the contribution of multiple velocity dispersion components to the z distribution of stars in a disk galaxy, on the basis of a galaxy star-formation history whose stellar populations are produced with evolving velocity dispersions. Attention is also given to the effects of a dark-matter halo, which on the basis of the published data cannot be distinguished by its vertical brightness distribution effects. With dark matter, the present models predict a distinctive behavior for stellar densities far from the galactic plane.

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